import java.util.UUID;

/**
 * ClassName: test
 * Descriptioen:
 * date: 2022/3/25 21:42
 * author :wfl
 */


public class test {
    public static void main(String[] args) {

        String s1 = UUID.randomUUID().toString();
        String s2 = UUID.randomUUID().toString();
        String s3 = UUID.randomUUID().toString();
        String s4 = UUID.randomUUID().toString();
        String s5 = UUID.randomUUID().toString();

        System.out.println("s1==="+s1);
        System.out.println("s2==="+s2);
        System.out.println("s3==="+s3);
        System.out.println("s4==="+s4);
        System.out.println("s5==="+s5);
        System.out.println("s6==="+UUID.randomUUID().toString());
        System.out.println("s7==="+UUID.randomUUID().toString());
        System.out.println("s8==="+UUID.randomUUID().toString());
        System.out.println("s9==="+UUID.randomUUID().toString());
        System.out.println("s10==="+UUID.randomUUID().toString());


        

    }
}
